What's new in the world of worms?

July 23, 2019

WORMINFO is a monthly newsletter about gastro-intestinal parsites. It is sent to subscribers to the WORMINFO listserv. The WORMINFO listserv lets subscribers know when something new has posted to WORMX, the web site of the American Consortium for Small Ruminant Parasite Control (ACSRPC). To subscribe to the WORMINFO listserv, send an email to listserv@listserv.umd.edu. In the body of the message, write subscribe WORMINFO. You can also subscribe to the newsletters via Smore.

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Supplementation of Pastured Lambs

Over the course of four consecutive years, four experiments using a total of 312 Dorset x Hampshire crossbred lambs were conducted in order to determine the effects of supplementation on the health and performance of grazing lambs.

Image by Brady Campbell

Read more . . .

Restoring Efficacy of Fenbendazole

Researchers in Argentina were able to restore the efficacy of fenbendazole (SafeGuard®) by replacing a resistant population of Haemonchus contortus with a susceptible one.

Read more . . .

Wasted Dewormer

You can’t escape reading or hearing about disease-causing microorganisms — with exotic names like MRSA and E. coli OH:157 — that develop resistance to drugs. There is another kind of resistance in cattle, swine, sheep and goats: internal worms that develop resistance to deworming agents. On this subject, I offer you this true story about a couple of cattlemen and their herd of 200 brood cows out on Cowpath Road.

Read article on Ohio Country Journal

Impact of Gastrointestinal Parasitism

Mexican researchers used data from published literature to determine the impact of gastrointestinal parasitism on dry matter intake (DMI) and live-weight change (LWC) in lambs. They conducted a meta-analysis on the data from 22 experiments from 20 papers.

Read more . . .

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Featured ACSRPC Member

Dr. Tom Terrill is the Coordinator of the American Consortium for Small Ruminant Parasite Control. He is a Forage Specialist in the Animal Science Unit at Fort Valley State University in Fort Valley, Georgia. Dr. Terrill's primary research focus is on sustainable parasite control in small ruminants, with emphasis on use of sericea lespedeza (Lespedeza cuneata), a low-input, tannin-rich perennial legume, as a natural dewormer for sheep and goats.

Read Dr. Terrill's full profile
View all ACSRPC members
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August 1
Katahdin Sheep Sale
USDA ARS Dale Bumpers Small Farm Research Center, Booneville, Arkansas
Info: web link

All of the sheep being sold have NSIP breeding values (EBVs) for parasite resistance (fecal egg counts). The ARS flock has incredible parasite resistant genetics.

August 27-29

Ghent, Belgium
Info: https://www.combar-acsrpc2019.org/

Several ACSRPC members are giving oral and poster presentations at this meeting.

September 21, 2019
Southwest AREC Sheep Field Day & Ram Test Sale
Virginia Tech Southwest Agricultural Research & Extension Center
Glade Spring, Virginia
Info: web link

The Southwest AREC Ram Test evaluates rams for parasite resistance. Many of the sale rams also have EBVs for parasite resistance.

October 19, 2019
Small Ruminant Pasture, Grazing, & Browsing Conference
Western Maryland Research & Education Center
Keedysville, Maryland
Info: https://2019grazingconference.eventbrite.com

This all-day conference will include a presentation on internal parasite control.

December 7

Third All Worms All Day Conference
Sponsored by Virginia, Maryland, and Delaware Extension
Lincoln Memorial University, DeBusk Teaching Center, Ewing, Virginia
Info: Dahlia O'Brien at dobrien@vsu.edu

This is the third time this conference will be held. It was previously held in Maryland and Delaware. All speakers are members of the consortium.

American Consortium for Small Ruminant Parasite Control (ACSRPC)

The ACSRPC is a group of scientists, veterinarians, and extension specialists dedicated to helping small ruminant producers control GI parasites in their flocks and herds.